染色质

In many eukaryotes, including plants, DNA methylation provides a heritable mark that guides formation of transcriptionally silent heterochromatin.

在很多真核生物中，包括植物，DNA甲基化提供了一个可遗传的标记，该标记可以引导转录沉默异染色质的形成。

Barrier is a kind of boundary elements, which blocks the spread of heterochromatin and insulates the neighboring active genes from repression effects.

障碍子就是边界元件的一种，它可以使活性基因的表达免受异染色质的的作用，防止基因沉默。

Primarily'.'' of heterochromatin.

由异染色质组成的染色体

Nuclei are quite scattered and have only small, granular clumps of blue heterochromatin.

高倍镜显示平滑肌的胞浆嗜酸性，细胞核散在，核内有细小的颗粒状的蓝色的异染色质。

As a mark of senescenceassociated heterochromatin foci, HP1-γhas been widely used to show the cell and tissuesenescence.

其中HP1-γ作为衰老相关异染色质灶形成的标志蛋白，已被广泛用于标记组织和细胞衰老。

Chromosome material with exhibits of such behaviour is called heterochromatin.

表现这种现象的染色体物质叫做异染色质。翻译中，请稍等。。。

Heterochromatin differentiation in Chinese Spring wheat, Xizang cultivated and semi-wild wheat was investigated by C-banding technique.

以Giemsa C-带技术研究了西藏小麦、西藏半野生小麦和中国春的异染色质分化。

The changes included that the protrusions on the cell surface diminished, myofilaments and pinosomes in the myoepithelial cells of grade Ⅱ,Ⅲ atypical hyperplasia decreased, and the irregularity of the nuclear morphosis and the increase of nuclear heterochromosome were found.

乳腺不典型增生时肌上皮细胞数目增多，排列紊乱，电镜下可见：①细胞表面的棒状突起消失；②Ⅱ、Ⅲ级不典型增生时胞浆内的肌微丝和吞饮小泡减少；③细胞核增大，不规则，异染色质增多。

Vacuoles and black dense particles usually occurred in cytoplasm of heterokaryon, and occasionally, swelling of mitochondria, pycnotic nuclei or even enucleation process could be seen among hybrid cells.

超微结构分析表明，杂交细胞表面膜微绒毛、指状突及皱褶突等均明显减少，核内异染色质比例增高，核仁数目减少或消失，细胞质中常可见有空泡或黑色致密颗粒出现；少数杂交细胞出现线粒体肿胀、核固缩甚至排核现象。

Recombination suppression in the sex-determining region and accumulation of deleterious mutations lead to degeneration of the Y chromosomes in many species with heteromorphic X/Y chromosomes.

这个问题一直困扰着科学家，在2008年最后一期的世界著名杂志《基因组研究》上，王秀娥和张文立博士发表了《番木瓜原始Y染色体的雄性特异区中DNA甲基化和异染色质化》的研究论文，初步揭示了性染色体的起源变化机制。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。